Home / 74,205.86-111,281.11-29,817.59

Finding the Fourth Proportional to 74,205.86, 111,281.11 and 29,817.59

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Solution

The fourth proportional to 74,205.86, 111,281.11 and 29,817.59 is: 44,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,205.86 : 111,281.11 = 29,817.59 : x
  2. Step 2: Convert to fraction form
    74,205.86/111,281.11 = 29,817.59/x
  3. Step 3: Cross multiply
    74,205.86x = 111,281.11 × 29,817.59
  4. Step 4: Simplify right side
    74,205.86x = 3,318,133,881.78
  5. Step 5: Solve for x
    x = 3,318,133,881.78/74,205.86
  6. Step 6: Final answer
    x = 44,715.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.